FLENDER ZAPEX - 8.4 Dismantling the Coupling

Maintenance
8.4 Dismantling the coupling
M3560-02en Edition 09/2022 49
1. Drain the grease according to Section Lubricant replacement (Page48).
2. Loosen the bolt connection (8; 9) of the flanged sleeves (5) and/or the spacer (4).
3. Slide the flanged sleeve (5) off the gear teeth and off the hub until you can remove the
O-ring (12). Prop up the spacer (4) at the same time.
4. Clean the sealing compound (50) from the flanged sleeve (5) and the spacer (4).
5. Cut the new O-ring (12) radially at one point.
6. Smear the cut ends evenly with adhesive (e.g. Loctite 401).
7. Lay the O-ring (12) cut end into the keyway.
8. Starting from the cut end, insert the O-ring (12) into the keyway on both sides.
9. Smear the sealing surfaces of the flanged sleeve (5) and/or the spacer (4) with sealing
compound (50).
10.Align the fitting holes of the flanges. Observe any markings that might be provided.
11.Insert the fitting bolts (8) and tighten the nuts (9) to the specified tightening torque T
A
(see Section Tightening torques and widths A/F (Page68)).
12.Fill with grease according to Section Fill with lubricant (Page38).
8.4 Dismantling the coupling8.4 Dismantling the coupling
Procedure
1. Drain the lubricant in accordance with Section Lubricant replacement (Page47).
2. Prop up the flanged sleeves (5) and, if fitted, the spacer (4).
3. Loosen the fitting bolt connection (8, 9).
4. Move the coupled machines apart.
5. Remove the spacer (4), the axial backlash limitation (51 or 52), the flanged sleeve (5),
and the support ring (33), if fitted.
6. Unscrew the thrust element (34), if fitted.
7. Check the gear, sealing surfaces, hub bore and shaft for damage and protect them
against corrosion.
8. Replace damaged parts.
8.4.1 Dismantling coupling part 1 (1) or 2 (2) with shaft-hub connection using a
parallel key8.4 Dismantling the coupling
WARNING
Danger from burners and hot coupling parts
Risk of injury due to burners and hot surfaces. Burners or hot coupling parts can lead to an
explosion in potentially explosive atmospheres.
• Wear suitable protective equipment (gloves, safety glasses).
• Ensure that the area is not at risk of explosion.